Sinarmas Land

Francis Yee Kong Seng: Resigned as chief operating officer on Oct 31. Mr Yee, 49, left to pursue his own personal interests.

Golden Energy and Resources

Dwi Prasetyo Suseno: Appointed executive director and deputy chief executive, with effect from Oct 26. Mr Dwi will be managing the diverse aspects of the coal business, in particular the operational and commercial functions and the general operations of the company.

Olam International

Rangareddy Jayachandran: Retired as non-executive director and chairman on Oct 31. Mr Jayachandran, 71, retired after 20 years on the board as part of the succession planning process that was initiated in 2012.

Tiger Airways

Vanessa Lau Man Yee: Resigned as chief financial officer with effect from Dec 31. Ms Lau, 48, is leaving to pursue other career opportunities.

Riverstone Holdings

Lim Sing Poew: Resigned as chief financial officer with effect from Nov 30. Mr Lim, 51, is quitting to pursue other career opportunities.

Tan Wang Thing: Appointed interim chief financial officer with effect from Nov 30.

Ms Tan, 40, is the group accountant of Riverstone Resources.

Courage Marine Group

Chan Yuk Yee: Appointed executive director with effect from Oct 30. Ms Chan, 47, will work with other executive directors on the overall development of the group's businesses. She is company secretary of Hailiang International Holdings.